#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>
#define nn "\n"
#define x_x ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define intt int _; cin >> _; while (_--)
#define emp push_back
#define mod 1000000007
#define all(v) v.begin(), v.end()
#define ld long double
#define A first
#define B second
//#define int long long
typedef long long ll;
const ld eps = 1e-27;
// diff between decimals 0.000000001 mt19937 mt(time(nullptr));
struct ed {
int f; int t; ll w;
};
int main() {
x_x
int n,k,m; cin>>n>>m>>k; vector<ed>adj;
for (int i=0,a,b,c; i<m; i++)
cin>>a>>b>>c, adj.emp({a,b,c}), adj.emp({b,a,c});
int sp[n+2]={}; ll dis[n+2]; for (int i=0,x;i<k; i++) cin>>x, sp[x]=1;
vector<ed>v;
for (int z=1; z<=n; z++) {
if (!sp[z]) continue;
for (auto&i:dis)i=1e15;
dis[z]=0;
for (int nm=0; nm<=n+2; nm++) {
for (auto i:adj) {
if (dis[i.t]>(dis[i.f]+i.w))
dis[i.t]=(dis[i.f]+i.w);
}
}
for (int i=z+1; i<=n; i++)
if (sp[i]) v.emp({z,i,dis[i]});
}
ll ans=LLONG_MAX;
for (int i=0; i<v.size(); i++) {
for (int j=i+1; j<v.size(); j++)
if (v[i].f!=v[j].f&&v[i].t!=v[j].t&&v[i].f!=v[j].t&&v[i].t!=v[j].f)
ans=min(ans, v[i].w+v[j].w);
}
cout<<ans;
return 0;
}
Compilation message
RelayMarathon.cpp: In function 'int main()':
RelayMarathon.cpp:46:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<ed>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
46 | for (int i=0; i<v.size(); i++) {
| ~^~~~~~~~~
RelayMarathon.cpp:47:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<ed>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
47 | for (int j=i+1; j<v.size(); j++)
| ~^~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
3 ms |
596 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
3 ms |
348 KB |
Output is correct |
8 |
Correct |
2 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
600 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
5 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
6 ms |
528 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
5 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
8 ms |
724 KB |
Output is correct |
20 |
Correct |
2 ms |
348 KB |
Output is correct |
21 |
Correct |
4 ms |
524 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
3 ms |
500 KB |
Output is correct |
24 |
Correct |
1 ms |
344 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
6 ms |
564 KB |
Output is correct |
29 |
Correct |
3 ms |
348 KB |
Output is correct |
30 |
Correct |
5 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
3 ms |
596 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
3 ms |
348 KB |
Output is correct |
8 |
Correct |
2 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
600 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
5 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
6 ms |
528 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
5 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
8 ms |
724 KB |
Output is correct |
20 |
Correct |
2 ms |
348 KB |
Output is correct |
21 |
Correct |
4 ms |
524 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
3 ms |
500 KB |
Output is correct |
24 |
Correct |
1 ms |
344 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
6 ms |
564 KB |
Output is correct |
29 |
Correct |
3 ms |
348 KB |
Output is correct |
30 |
Correct |
5 ms |
348 KB |
Output is correct |
31 |
Correct |
2 ms |
344 KB |
Output is correct |
32 |
Correct |
9 ms |
344 KB |
Output is correct |
33 |
Correct |
4 ms |
348 KB |
Output is correct |
34 |
Correct |
3 ms |
344 KB |
Output is correct |
35 |
Correct |
1 ms |
348 KB |
Output is correct |
36 |
Correct |
2448 ms |
2004 KB |
Output is correct |
37 |
Execution timed out |
6011 ms |
2884 KB |
Time limit exceeded |
38 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
6021 ms |
5844 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
3 ms |
596 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
3 ms |
348 KB |
Output is correct |
8 |
Correct |
2 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
600 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
5 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
6 ms |
528 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
5 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
8 ms |
724 KB |
Output is correct |
20 |
Correct |
2 ms |
348 KB |
Output is correct |
21 |
Correct |
4 ms |
524 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
3 ms |
500 KB |
Output is correct |
24 |
Correct |
1 ms |
344 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
6 ms |
564 KB |
Output is correct |
29 |
Correct |
3 ms |
348 KB |
Output is correct |
30 |
Correct |
5 ms |
348 KB |
Output is correct |
31 |
Correct |
2 ms |
344 KB |
Output is correct |
32 |
Correct |
9 ms |
344 KB |
Output is correct |
33 |
Correct |
4 ms |
348 KB |
Output is correct |
34 |
Correct |
3 ms |
344 KB |
Output is correct |
35 |
Correct |
1 ms |
348 KB |
Output is correct |
36 |
Correct |
2448 ms |
2004 KB |
Output is correct |
37 |
Execution timed out |
6011 ms |
2884 KB |
Time limit exceeded |
38 |
Halted |
0 ms |
0 KB |
- |